No!
You don't get to fork his work and "improve upon it" by pissing all over it.
Have some respect!
TempleOS is public domain, so I'm well within my legal right to fork it if I'd like. Respect isn't even part of it; anything in the public domain is up for grabs by anyone.
I don't feel that adding basic TCP and UDP support would be "pissing all over it"; even the Commodore 64 eventually got basic networking.